1 euro coin
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The 1 euro coin is a euro coin with a value of one euro. It is made of two alloys: the inner part of cupronickel, the outer part of nickel brass. All coins have a common reverse side and country-speci
Common face of one euro coin
1 Euro, Andorra
Euro 2009 Belgium
1€ Estonia Reverse
Cupronickel
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Cupronickel or copper–nickel is an alloy of copper with nickel, usually along with small quantities of other metals added for strength, such as iron and manganese. The copper content typically varies
1 euro coin
…The 1 euro coin (€1) is a euro coin with a value of one euro. It is made of two alloys: the inner part of cupronickel, the outer part of nickel brass. All coins have a common reverse side and country-specific national sides. The coin has been used since 2002, with the…
Two stacks of United States Half dollars. The coins in the stack on the right are composed of copper with cupronickel cladding, and can be distinguished from the silver half dollars on the left by their visible copper cores.
Five Indian rupees, commemorating ILO
Twenty five Indonesian rupiah
Crack in 90–10 Cu–Ni metal plate due to stresses during silver brazing